<?php

namespace addon\forum\controller\member;

use ywxapp\controller\MemberBase;
use addon\forum\model\ForumTopic;
use addon\forum\model\ForumBoard;
use think\facade\Db;
use think\facade\Validate;

/**
 * 会员中心 - 论坛（发帖 / 我的帖子）
 */
class Forum extends MemberBase
{
    /**
     * 当前会员主键（论坛 user_id 使用 auth->info 的 id）
     */
    protected function uid(): int
    {
        $info = $this->auth->info ?? [];
        return (int) ($info['id'] ?? 0);
    }

    /** 发帖页 */
    public function post()
    {
        if ($this->request->isPost()) {
            return $this->doPost();
        }
        $boards = ForumBoard::enabledList();
        $cfg = \ywxapp\service\AddonService::config('forum');
        $this->view->assign('boards', $boards);
        $this->view->assign('editorHeight', (int) ($cfg['editor_height'] ?? 360));
        return $this->view->fetch('forum/post');
    }

    /** 提交发帖 */
    protected function doPost()
    {
        $uid = $this->uid();
        if ($uid < 1) {
            return $this->result->error('请先登录');
        }
        $data = $this->request->post();

        $validate = Validate::rule([
            'board_id' => 'require|integer',
            'title'    => 'require|length:2,120',
            'content'  => 'require|length:5,65535',
        ]);
        if (!$validate->check($data)) {
            return $this->result->error($validate->getError());
        }

        $board = ForumBoard::find($data['board_id']);
        if (!$board || $board->status != 1) {
            return $this->result->error('版块不存在或已禁用');
        }

        $topicId = ForumTopic::insertGetId([
            'user_id'     => $uid,
            'board_id'    => (int) $data['board_id'],
            'board_slug'  => $board->slug ?? '',
            'title'       => trim($data['title']),
            'content'     => $data['content'],
            'type'        => (int) ($data['type'] ?? 99),
            'reply_count' => 0,
            'view_count'  => 0,
            'digest'      => 0,
            'top'         => 0,
            'status'      => 1,
            'create_at'   => date('Y-m-d H:i:s'),
            'update_at'   => date('Y-m-d H:i:s'),
        ]);

        // 版块帖子数 +1
        ForumBoard::incr((int) $data['board_id'], 'topic_count', 1);

        if ($topicId) {
            return $this->result->success(['id' => $topicId], '发布成功');
        }
        return $this->result->error('发布失败，请重试');
    }

    /** 我的帖子管理 */
    public function mytopics()
    {
        $uid = $this->uid();
        if ($uid < 1) {
            return $this->result->error('请先登录');
        }
        $page = (int) $this->request->get('page', 1);
        $limit = 15;

        $query = ForumTopic::where('user_id', $uid)->where('status', '>=', 0);
        $total = (clone $query)->count();
        $topics = $query->order('id desc')->page($page, $limit)->select();

        $boardIds = $topics->column('board_id');
        $boards = ForumBoard::whereIn('id', $boardIds ?: [0])->column('title', 'id');
        $list = [];
        foreach ($topics as $t) {
            $list[] = [
                'id'          => $t->id,
                'title'       => $t->title,
                'board_title' => $boards[$t->board_id] ?? '未知版块',
                'reply_count' => $t->reply_count,
                'view_count'  => $t->view_count,
                'status'      => $t->status,
                'create_at'   => date('Y-m-d H:i', strtotime($t->create_at)),
            ];
        }

        if ($this->request->isAjax()) {
            return $this->result->success([
                'list'  => $list,
                'total' => $total,
                'page'  => $page,
            ], 'ok');
        }

        $this->view->assign('list', $list);
        $this->view->assign('total', $total);
        $this->view->assign('page', $page);
        return $this->view->fetch('forum/mytopics');
    }

    /** 删除我的帖子 */
    public function del()
    {
        if (!$this->request->isPost()) {
            return $this->result->error('请求方式错误');
        }
        $uid = $this->uid();
        if ($uid < 1) {
            return $this->result->error('请先登录');
        }
        $id = (int) $this->request->post('id', 0);
        if ($id < 1) {
            return $this->result->error('参数错误');
        }
        $topic = ForumTopic::where('id', $id)->where('user_id', $uid)->find();
        if (!$topic) {
            return $this->result->error('帖子不存在');
        }
        $topic->status = -1;
        $topic->save();
        if ($topic->board_id > 0) {
            ForumBoard::where('id', $topic->board_id)->where('topic_count', '>', 0)
                ->dec('topic_count', 1)->update();
        }
        return $this->result->success([], '已删除');
    }
}